/Engine/Source/Runtime/MovieSceneTracks/Public/Sections/MovieSceneEventSectionBase.h
Handler should be invoked when an event endpoint that is referenced from this section has one of its pins renamed
void OnUserDefinedPinRenamed ( [UK2Node](API\Editor\BlueprintGraph\UK2Node) * InNode, [FName](API\Runtime\Core\UObject\FName) OldPinName, [FName](API\Runtime\Core\UObject\FName) NewPinName )